25 lines
634 B
Bash
25 lines
634 B
Bash
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# This hook generates vcdiffs
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hook() {
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set -x
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[ -z "$XBPS_GENERATE_VCDIFF" ] && return 0;
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find $XBPS_REPOSITORY -name '*.genVcdiff' | xargs -r sha256sum | \
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while read chk oldfile; do
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newfile=${oldfile/.genVcdiff/}
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if ! cmp -s "${newfile}" "${oldfile}"; then
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newdiff="${newfile}.${chk}.vcdiff"
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xdelta3 -D -R -f -e -s "${oldfile}" "${newfile}" "${newdiff}"
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for diff in ${newfile}.*.vcdiff; do
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[ "${diff}" = "${newdiff}" ] && continue;
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cp -- "${diff}" "${diff}.tmp"
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xdelta3 -f merge -m "${diff}.tmp" "${newdiff}" "${diff}"
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rm -- "${diff}.tmp"
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done
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fi
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rm -- "${oldfile}"
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done
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}
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